GMT to AST

Greenwich Mean Time

Greenwich Mean Time (GMT)

GMT is the same time as Universal Time (UTC).

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

AST is 4 hours behind Universal Time (UTC-4)

GMT to AST Time Conversion

When it is 12:00 PM in GMT, it is 8:00 AM in AST.

📞The best time to schedule a call is between 1 PM and 5 PM in GMT, which is between 9 AM and 1 PM in AST.

Time difference between GMT and AST

GMT is 4 hours ahead of AST.

🕐 Subtract 4 hours from GMT time to get AST time.

GMT uses the same time as Universal Time (UTC). and AST uses 4 hours behind Universal Time (UTC-4).

GMT to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between GMT and AST.

GMT Time		AST Time
12 AM GMT Time	↔	8 PM AST Time
1 AM GMT Time	↔	9 PM AST Time
2 AM GMT Time	↔	10 PM AST Time
3 AM GMT Time	↔	11 PM AST Time
4 AM GMT Time	↔	12 AM AST Time
5 AM GMT Time	↔	1 AM AST Time
6 AM GMT Time	↔	2 AM AST Time
7 AM GMT Time	↔	3 AM AST Time
8 AM GMT Time	↔	4 AM AST Time
9 AM GMT Time	↔	5 AM AST Time
10 AM GMT Time	↔	6 AM AST Time
11 AM GMT Time	↔	7 AM AST Time

GMT Time		AST Time
12 PM GMT Time	↔	8 AM AST Time
1 PM GMT Time	↔	9 AM AST Time
2 PM GMT Time	↔	10 AM AST Time
3 PM GMT Time	↔	11 AM AST Time
4 PM GMT Time	↔	12 PM AST Time
5 PM GMT Time	↔	1 PM AST Time
6 PM GMT Time	↔	2 PM AST Time
7 PM GMT Time	↔	3 PM AST Time
8 PM GMT Time	↔	4 PM AST Time
9 PM GMT Time	↔	5 PM AST Time
10 PM GMT Time	↔	6 PM AST Time
11 PM GMT Time	↔	7 PM AST Time

GMT to AST - Frequently Asked Questions

Q

What is the time difference between GMT and AST?

A

GMT is 4 hours ahead of AST.

Q

Is GMT ahead of or behind AST?

A

GMT is ahead of AST by 4 hours.

Q

When it is 9:00 AM in GMT, what time is it in AST?

A

It is 5:00 AM in AST.

Convert GMT Time to Popular Time Zones

Convert Time in Popular Time Zones to AST